Table 1.
Demographic and clinical features of the caffeine and placebo group
| Caffeine Group (n: 60) | Control Group (n: 60) | P | |
|---|---|---|---|
| Age (years) | 36.50 (26-50) | 39.50 (18-51) | 0.231* |
| Sex (Male/female) | 16 (26.7%)/44 (73.3%) | 16 (26.7%)/44 (73.3%) | 1.000† |
| IOP (mmHg) | 14.0 (9.0-20.0) | 15.0 (10.0-21.0) | 0.371* |
| SE (D) | -0.5 [-3.0- (+1.25)] | -0.5 [-3.0- (+2.75)] | 0.340* |
| AL (mm) | 23.61 (22.07-26.35) | 23.55 (21.15-25.27) | 0.385* |
| SBP (mmHg) | 105.0 (90.0-140.0) | 110.0 (90.0-140.0) | 0.204* |
| DBP (mmHg) | 70.0 (50.0-80.0) | 70.0 (60.0-80.0) | 0.834* |
IOP: intraocular pressure; SE: Spherical Equivalent; AL: Axial Length; SBP: Systolic Blood Pressure; DBP: Diastolic Blood Pressure. *Mann-Whitney U test used for comparison, †Chi-square test used for comparison